<Signon> ::= SIGNON <UserNum> <UserInfo>
<UserInfo> ::= <NickName> <NetworkAddress> <RealName>
<NickName> ::= <NameString>
<NameString> ::= <NameChar>+
<NameChar> ::= 'a'..'z' | 'A'..'Z' | '@'
Isn't this too restrictive for a nick at signon time?
Jan.